/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.wsinfra.apps;

import javax.xml.soap.SOAPMessage;

import cgl.narada.wsinfra.WsMessageFlow;
import cgl.narada.wsinfra.deployment.Filter;
import cgl.narada.wsinfra.deployment.SOAPContext;
import cgl.narada.wsinfra.exception.DeploymentException;
import cgl.narada.wsinfra.exception.IncorrectExchangeException;
import cgl.narada.wsinfra.exception.MessageFlowException;
import cgl.narada.wsinfra.exception.ProcessingException;
import cgl.narada.wsinfra.exception.UnknownExchangeException;
import cgl.narada.wsinfra.util.SoapPrinter;
import cgl.narada.wsinfra.wse.impl.WseSourceProcessor;


public class PublisherFilter extends Filter {
  private final String identifier = "WsePublisherFilter";
  private int numOfMessagesFromNetwork = 0;
  private int numOfMessagesFromApplication = 0;
  
  private WseSourceProcessor wseSourceProcessor;
  private String moduleName = "PublisherFilter: ";
  
  public PublisherFilter() throws DeploymentException {
    wseSourceProcessor = WseSourceProcessor.getInstance();
    wseSourceProcessor.setMessageFlow(this);
    setIdentifier(identifier);
  }



  /** This method returns a boolean which indicates whether further 
      processing should continue or if it should stop. A return value of
      <i>true</i> indicates that processing should continue; while <i>false</i>
      indicates that processing should stop. Note that it is the 
      filter-pipeline which is responsible for stopping this processing. */
  public boolean 
  processMessage(SOAPContext soapContext, int direction) 
    throws UnknownExchangeException, IncorrectExchangeException, 
    MessageFlowException, ProcessingException {
    String from = "the APPLICATION.";
    if (direction == WsMessageFlow.FROM_NETWORK) {
      from = "the Network.";
      numOfMessagesFromNetwork++;
    } else {
   	 numOfMessagesFromApplication++;
    }

    System.out.println(moduleName + "Processing SOAP Context received from " +
		       from);
    try {
      SOAPMessage soapMessage = soapContext.getSOAPMessage();
      String stringRep = SoapPrinter.getStringRepresentation(soapMessage);
      System.out.println(moduleName + stringRep);
    } catch (Exception e) {
      System.out.println(moduleName + "Problems with the SOAP message " +
			 e.toString());
    }
    
    boolean continueOperations = 
      wseSourceProcessor.processExchange(soapContext, direction);
    
    return continueOperations;
  }
}
